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Finding the Fourth Proportional to 1,969.08, 2,952.04 and 928.54

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Solution

The fourth proportional to 1,969.08, 2,952.04 and 928.54 is: 1,392.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969.08 : 2,952.04 = 928.54 : x
  2. Step 2: Convert to fraction form
    1,969.08/2,952.04 = 928.54/x
  3. Step 3: Cross multiply
    1,969.08x = 2,952.04 × 928.54
  4. Step 4: Simplify right side
    1,969.08x = 2,741,087.22
  5. Step 5: Solve for x
    x = 2,741,087.22/1,969.08
  6. Step 6: Final answer
    x = 1,392.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.